/Engine/Source/Runtime/SignalProcessing/Public/DSP/Filter.h
Initialize the filter.
void Init ( const float InSampleRate, const int32 InNumChannels, const [EBiquadFilter::Type](API\Runtime\SignalProcessing\DSP\Audio__EBiquadFilter__Type) InType, const float InCutoffFrequency, const float InBandwidth, const float InGain )